york city, michael bloomberg, mr. mayor, thank you for being here. >> thank you for having me. >> i'm sorry to have you under these circumstances. >> just terrible. >> you have been an avid gun control advocate for many years. first the "new york post," the morning after the slaughter of innocents, describe your reaction as you saw this unfold. >> it's so unbelievable and it only happens in america, and it happens again and again. there was another shooting yesterday, three people killed, i think in a hospital. we kill people in schools, we kill them in hospitals, we kill them in religious organizations, we kill them when they're young, we kill them when they're old and we just got to stop this. >> there is in this country, incredible sadness, empathy, anger and a sense of resolve and the president speaking after this horrible tragedy, really gave voice to that friday afternoon. listen. >> we're going to have to come together and take meaningful action to prevent more tragedies like this, regardless of the polit politics. >> a significant statement as far as it goes. you're calling